Dr. Robert I. Katzen, MD
- Medicare services, 2016
- 315
- Part D claims, 2024
- 56
- Industry payments
- $174
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 5411 Duncaster Pl, Rancho Cucamonga, CA 91739
- Practice phone
- Call (734) 358-2738
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Yangdong He Medical Corporation
Rancho Cucamonga, California
Find Dr. Katzen's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Robert I. Katzen is a family medicine physician in Rancho Cucamonga, California
Dr. Katzen practices at Yangdong He Medical Corporation in Rancho Cucamonga, California.
Dr. Katzen's NPI, 1376552174, was assigned on August 8, 2006. Dr. Katzen holds California license G31016.
- NPI
- 1376552174NPI Registry (opens in a new tab)
- NPI enumeration date
- August 8, 2006
- NPI status
- Active
- Practice phone
- (734) 358-2738
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Robert I. Katzen practices at Yangdong He Medical Corporation in Rancho Cucamonga, California
Dr. Katzen's primary practice is Yangdong He Medical Corporation, at 5411 Duncaster Pl, Rancho Cucamonga, CA 91739 in San Bernardino County. The practice phone is (734) 358-2738.
- Yangdong He Medical Corporation5411 Duncaster Pl, Rancho Cucamonga, CA 91739 · San Bernardino CountyPhone(734) 358-2738
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Robert I. Katzen is affiliated with 2 sites of care and 1 medical group
Dr. Katzen's primary practice is Yangdong He Medical Corporation in Rancho Cucamonga, California. The medical group on file is Beach Family Doctors Medical Group. Dmand AI also links Dr. Katzen to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Robert I. Katzen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Katzen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Yangdong He Medical Corporation | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert I. Katzen is one of 15,680 family medicine physicians in California
Family medicine is Dr. Katzen's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Katzen is licensed in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Family medicine physicians near Dr. Katzen
Counts of family medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Robert I. Katzen billed Medicare for 315 services in 2016
CMS data shows 315 Medicare services from Dr. Katzen across 3 procedure codes in 2016. Medicare paid $18,722 for them. Every service was in an office.
Dr. Katzen's Medicare services by type, 2016
- Office and hospital visits290
- Other services25
Dr. Katzen compared with the California median for family medicine physicians, 2016
- Dr. Katzen
- California median
- Medicare services
- 315vs 24628% above
- Part D claims
- 24vs 83397% below
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Katzen's most billed Medicare procedure codes, 2016
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Katzen and other family medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert I. Katzen's patients have a median age of 72
Across all payers, Dmand AI patient panel data puts Dr. Katzen's median patient age at 72, with 39% women.
Dr. Katzen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women39%
- Men61%
Source: Dmand AI Patient Panel Data
Dr. Robert I. Katzen wrote 56 Medicare Part D claims in 2024
In 2024, Dr. Katzen wrote 56 Medicare Part D claims. 98% of them were for generic drugs. CMS names the drug for 24 of them, across 2 drugs with 11 or more claims each, at $15 in total drug cost. In 2023, CMS named 12 claims across 1 drug.
Dr. Katzen's Part D claims by kind of drug, 2024
- Generic55 claims98%
- Brand-name and other1 claims2%
Dr. Katzen's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 122024: 24100%
Drugs named by CMS: 2 in 2024, 1 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Robert I. Katzen received $174 in industry payments from 2016 to 2024
CMS Open Payments shows 9 general payments to Dr. Katzen from 7 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $55.
General payments to Dr. Katzen by program year, 2016 to 2024
Companies that paid Dr. Katzen the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Robert I. Katzen's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Robert I. Katzen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Robert I. Katzen's NPI number?
Dr. Robert I. Katzen's NPI number is 1376552174. It was assigned on August 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert I. Katzen?
Dr. Robert I. Katzen is a family medicine physician in Rancho Cucamonga, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Robert I. Katzen practice?
Dr. Katzen practices at 5411 Duncaster Pl, Rancho Cucamonga, CA 91739. Dr. Katzen's primary practice is Yangdong He Medical Corporation in Rancho Cucamonga, California. Dmand AI also links Dr. Katzen to 1 group practice or clinic.
What is Dr. Robert I. Katzen's office phone number?
The practice phone on file for Dr. Katzen is (734) 358-2738.
What is Dr. Robert I. Katzen's medical license number?
Dr. Katzen holds California license G31016.
What medical group is Dr. Robert I. Katzen part of?
Dr. Katzen is linked to Beach Family Doctors Medical Group.
Does Dr. Robert I. Katzen accept Medicare?
Yes. CMS data shows Dr. Katzen billed Medicare for 315 services in 2016.
What services does Dr. Robert I. Katzen bill to Medicare?
In 2016, Dr. Katzen's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and medicare service (G0439).
What drugs does Dr. Robert I. Katzen prescribe most?
In 2024 Medicare Part D data, Dr. Katzen's most prescribed drugs by claims were Zolpidem Tartrate and Trazodone HCl.
Has Dr. Robert I. Katzen received payments from drug or device companies?
CMS Open Payments shows $174 in general payments to Dr. Katzen from 7 companies from 2016 to 2024. The largest total came from Boston Scientific Corporation.
How long has Dr. Robert I. Katzen been practicing?
Dr. Katzen's NPI was assigned in 2006.
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